Home / 12,553.85-17,324.33-6,889.08

Finding the Fourth Proportional to 12,553.85, 17,324.33 and 6,889.08

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Solution

The fourth proportional to 12,553.85, 17,324.33 and 6,889.08 is: 9,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.85 : 17,324.33 = 6,889.08 : x
  2. Step 2: Convert to fraction form
    12,553.85/17,324.33 = 6,889.08/x
  3. Step 3: Cross multiply
    12,553.85x = 17,324.33 × 6,889.08
  4. Step 4: Simplify right side
    12,553.85x = 119,348,695.32
  5. Step 5: Solve for x
    x = 119,348,695.32/12,553.85
  6. Step 6: Final answer
    x = 9,506.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.